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Bike touring routes & trails

Castile and León

Presa de Sobrón Road – Trail along the GR 99 loop from Sobrón

Bike touring routes & trails

Castile and León

Presa de Sobrón Road – Trail along the GR 99 loop from Sobrón

Hard

9

riders

Presa de Sobrón Road – Trail along the GR 99 loop from Sobrón

03:24

29.6km

1,150m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Last updated: August 18, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parque Natural Montes Obarenes-San Zadornil

Valderejo-Sobrón-Árcenako mendilerroa BBE-KBE

Waypoints

A

Start point

1

2.00 km

Scenic Road Along the Ebro River

Highlight • River

2

2.05 km

Presa de Sobrón Road

Highlight • River

Beautiful road that is located next to the Sobrón Dam and that follows the waters of the Ebro river itself in these areas that form the border between the two provinces.

Translated by Google •

Tip by

3

5.34 km

Rock Tunnel on Valderejo-Sobrón-Árcena Road

Highlight • Structure

4

13.8 km

View of the Ebro River from Mirador de San Martín de Don

Highlight • Viewpoint

The San Martín de Don viewpoint is located on a cliff that is the border between Castilla y León and the Basque Country. From the cliff you can see a …

Translated by Google •

Tip by

5

17.3 km

Trail along the GR 99

Highlight • Trail

This section of the Ebro natural path is a beautiful path through the forest. The path is flanked by pine, oak and boxwood. At some points the vegetation opens up and reveals spectacular views of the limestone cliffs.

Translated by Google •

Tip by

6

26.9 km

Bajo el Mazo

Highlight • Forest

Go down with a rope to hold the bike, hahaha

Translated by Google •

Tip by

B

29.6 km

End point

Way Types & Surfaces

Way Types

14.6 km

11.6 km

3.04 km

321 m

Surfaces

20.6 km

8.58 km

321 m

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Elevation

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Weather

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Monday 12 October

28°C

13°C

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